1 Series E81 120i (N46T) 3-door
Checking locking of exhaust adjustment unit in initial position:
Place tool on twin surface of exhaust camshaft and attempt to
rotate exhaust camshaft carefully in direction of rotation.
If there is no fixed connection between exhaust camshaft and
exhaust adjustment unit, rotate exhaust camshaft in direction of
rotation as far as it will go.
The exhaust adjustment unit is locked in the initial position when
the exhaust camshaft is non-positively connected to the exhaust
adjustment unit.
Important!
If the inlet or exhaust adjustment unit of the camshafts
"cannot" be locked as described, the adjustment unit is faulty
and must be replaced.
Fit special tool 11 9 292 on inlet camshaft and check timing
adjustment.
Note:
The timing is correctly adjusted when the special tool 11 9 292
rests without any gap on the cylinder head or is raised up to
0.5 mm to inlet side.
Turn back special tool 11 9 293 .
Fit special tool 11 9 291 on exhaust camshaft and check timing
adjustment.
Note:
The timing is correctly adjusted when the special tool 11 9 291
rests without any gap on the cylinder head or is raised up to
1.0 mm to inlet side.
RA Checking camshaft timing (N46T)
BMW AG - TIS
20.01.2013 19:07
Issue status (12/2007) Valid only until next DVD is issued
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